dawn-cmake/src/writer/hlsl/generator_impl_module_constant_test.cc
Ben Clayton 9df857de9a Start cleaning up tests (5/N)
Remove Source{} with ast::Builder::create<>
Use Builder helpers where possible

Change-Id: Ife7da25a4171cce404d496cb63acc34522316d81
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/35742
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
2020-12-15 14:11:48 +00:00

78 lines
2.6 KiB
C++

// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <memory>
#include <vector>
#include "src/ast/constant_id_decoration.h"
#include "src/ast/float_literal.h"
#include "src/ast/module.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/type/array_type.h"
#include "src/ast/type/f32_type.h"
#include "src/ast/type_constructor_expression.h"
#include "src/ast/variable.h"
#include "src/writer/hlsl/test_helper.h"
namespace tint {
namespace writer {
namespace hlsl {
namespace {
using HlslGeneratorImplTest_ModuleConstant = TestHelper;
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_ModuleConstant) {
auto* var =
Const("pos", ast::StorageClass::kNone, ty.array<f32, 3>(),
array<f32, 3>(1.f, 2.f, 3.f), ast::VariableDecorationList{});
ASSERT_TRUE(gen.EmitProgramConstVariable(out, var)) << gen.error();
EXPECT_EQ(result(), "static const float pos[3] = {1.0f, 2.0f, 3.0f};\n");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_SpecConstant) {
auto* var = Const("pos", ast::StorageClass::kNone, ty.f32, Expr(3.0f),
ast::VariableDecorationList{
create<ast::ConstantIdDecoration>(23),
});
ASSERT_TRUE(gen.EmitProgramConstVariable(out, var)) << gen.error();
EXPECT_EQ(result(), R"(#ifndef WGSL_SPEC_CONSTANT_23
#define WGSL_SPEC_CONSTANT_23 3.0f
#endif
static const float pos = WGSL_SPEC_CONSTANT_23;
#undef WGSL_SPEC_CONSTANT_23
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_SpecConstant_NoConstructor) {
auto* var = Const("pos", ast::StorageClass::kNone, ty.f32, nullptr,
ast::VariableDecorationList{
create<ast::ConstantIdDecoration>(23),
});
ASSERT_TRUE(gen.EmitProgramConstVariable(out, var)) << gen.error();
EXPECT_EQ(result(), R"(#ifndef WGSL_SPEC_CONSTANT_23
#error spec constant required for constant id 23
#endif
static const float pos = WGSL_SPEC_CONSTANT_23;
#undef WGSL_SPEC_CONSTANT_23
)");
}
} // namespace
} // namespace hlsl
} // namespace writer
} // namespace tint